Class 12 Biology Environmental Issues

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Topics in this lesson

Part 1 (Introduction)

Part 2 (Air pollution causes & effect)

Part 3 (Air pollution control)

Part 4 (Air pollution: Automobile maintenance)

Part 5 (Noise Control)

Part 6 (Water Pollution harmful effect)

Part 7 (Water Pollution Cause)

Part 8 (Water Pollution Sewage Treatment)

Part 9 (Water Pollution Algal Bloom)

Part 10 (Biomagnification)

Part 11 (Eutrophication : Trophic States)

Part 12 (Accelerated Eutrophication: Harmful effects)

Part 13 (Solid Wastes)

Part 14 (Biodegradable & non biodegradable wastes)

Part 15 (Solid wastes disposal Control)

Part 16 (Agro Chemical: manures, Fertilizers)

Part 17 (Agro chemicals: Insecticides, Pesticides)

Part 18 (Radioactive wastes)

Part 19 (Greenhouse effect)

Part 20 (Greenhouse effect explanation)

Part 21 (Global warming)

Part 22 (Ozone Layer)

Part 23 (Depletion of Ozone Layer)

Part 24 (Deforestation)

Part 25 (Questions)

Part 26 (Questions)